#669DDC#669DDC

#669DDC is a light, moderate cyan. Relative luminance 0.321; OKLCH L 68.4% C 0.110 H 252.7°. Best body text is #000000 at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#669DDC
RGB	rgb(102, 157, 220)
HSL	hsl(212, 63%, 63%)
HSV	hsv(212, 54%, 86%)
CMYK	cmyk(53.6%, 28.6%, 0%, 13.7%)
CIE-LAB	lab(63.43, -0.24, -37.53)
CIE-LCH	lch(63.43, 37.53, 269.64°)
OKLab	oklab(68.4% -0.0328 -0.1054)
OKLCH	oklch(68.4% 0.11 252.7)
XYZ	xyz(30.4502, 32.1036, 72.2883)
Luminance	0.3211 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669DDC #DCA566

analogous

#66D8DC #669DDC #6A66DC

triadic

#669DDC #DC669D #9DDC66

tetradic

#669DDC #DC66D8 #DCA566 #66DC6A

square

#669DDC #DC66D8 #DCA566 #66DC6A

split-complementary

#669DDC #DC6A66 #D8DC66

monochromatic

#2560A2 #347DD1 #669DDC #98BDE7 #CADDF3

Accessibility & contrast

On white

2.83

#669DDC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.42

#669DDC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669DDC

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669DDC	#FFFFFF	#000000	##000000
##669DDC	1.00	2.83	7.42	7.42
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.42	21.00	1.00	1.00
##000000	7.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83A0DF

Deuteranopia (green-blind)

#7494DB

Tritanopia (blue-blind)

#1EABB3

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #669ddc;
/* rgb */ color: rgb(102, 157, 220);
/* oklch */ color: oklch(68.4% 0.110 252.7);

Tailwind

colors: {
  custom: {
    50: '#99b9e7',
    500: '#669ddc',
    950: '#000000',
  },
}

SCSS

$custom: #669ddc;
$custom-light: #99b9e7;
$custom-dark: #000000;

JSON

{
  "hex": "#669ddc",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 220
  },
  "hsl": {
    "h": 212.034,
    "s": 62.766,
    "l": 63.137
  },
  "oklch": {
    "l": 0.684,
    "c": 0.1104,
    "h": 252.7
  },
  "luminance": 0.32106
}

Semantic roles & 50–950 ramp

primary

#669DDC

secondary

#E4D0BA

accent

#791BCB

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #669DDC

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →